55391980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{395657}}^1$

素因数の和:395673

約数の個数: 24

約数和(自身を含む): 132941088

約数和(自身を除く): 77549108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 395657, 791314, 1582628, 1978285, 2769599, 3956570, 5539198, 7913140, 11078396, 13847995, 27695990, 55391980]

約数ペア:

[(1, 55391980), (2, 27695990), (4, 13847995), (5, 11078396), (7, 7913140), (10, 5539198), (14, 3956570), (20, 2769599), (28, 1978285), (35, 1582628), (70, 791314), (140, 395657)]